Anthropic's coding agent. From the terminal or IDE it understands your codebase and autonomously implements, fixes, and tests. The flagship of agentic coding.
Pricing
- Claude Pro / Max に込みFrom $17/mo
Included with Claude subscriptions; heavy users typically run Max ($100–200/mo).
- API 従量課金Per-token
Also runs on an API key, paying only for what you use.
※ For reference as of January 2026. Prices and plans change often — always check the official site for the latest.
Key features
Terminal-native agent
Understands your repo and runs edit–test–commit loops end to end.
IDE, web & desktop
VS Code and JetBrains extensions, plus web and desktop apps.
MCP, hooks & subagents
Extensible with tool connections, automation hooks, and parallel subagents.
CLAUDE.md project memory
Teach repo conventions in a file it follows every session.
GitHub Actions
Kick off tasks in CI from issues and PR comments.
Tier lists featuring this service
Categories aggregate their whole subtree; threads count their own votes. Tap a row to open the tier list.
Not ranked in any tier list yet. Cast the first vote in a thread you care about.
Arena benchmark standings
arena.ai (formerly LMArena) blind-battle results converted into tiers for reference. See each category page for the conversion rules